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Born: 8/19/1924, Died: 10/15/2013

Louis deMoll is one of the Philadelphians to lead the national AIA, and the only American architect to head the International Union of Architects. DeMoll was born in Swarthmore, PA, the son of architect Carl deMoll and artist Mary Hitchner deMoll, and brother of John deMoll. Louis deMoll studied architecture at the University of Pennsylvania, earning a B. Arch. with honors in 1949. He won several awards while at Penn, including an Alumni Medal for Efficiency in Sketch Problems in 1946-1947, the Thornton Oakley Medal in 1947-1948, and the Arthur Spayd Brooke Memorial Prize Gold Medal in his senior year. After graduation, deMoll joined the firm in which his father was principal, the Ballinger Company, and was made a partner in 1955, the same year he joined the national AIA. In his years in the firm, deMoll held the positions of chief designer, director of operations, and chief executive officer. DeMoll and his brother sold their interest in the business in 1986.

DeMoll's leadership of the national AIA was preceded, as might be expected, by his active participation in the Philadelphia Chapter: he served as secretary in 1964, as a vice president in 1965, as first vice president in 1966, and president in 1967. He also chaired several chapter committees in the same period. DeMoll was named to the national AIA's college of fellows in 1966, and led that organization in 1975-1976. He was elected president of the International Union of Architects in 1978, and served until 1981. In addition to his AIA activities, deMoll has been active in a number of civic organizations - he was a director of the Citizens Council of Delaware County from 1949 until 1969, serving as its president in 1969-1970. He was a member of the Philadelphia Bicentennial Site Task Force beginning in 1968.

Written by Sandra L. Tatman, and Emily T. Cooperman.

Clubs and Membership Organizations

  • American Institute of Architects (AIA)
  • Philadelphia Chapter, AIA
  • International Union of Architects

School Affiliations

  • University of Pennsylvania


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